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Finding the Fourth Proportional to 8,308.08, 12,461.82 and 3,376.38

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Solution

The fourth proportional to 8,308.08, 12,461.82 and 3,376.38 is: 5,064.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.08 : 12,461.82 = 3,376.38 : x
  2. Step 2: Convert to fraction form
    8,308.08/12,461.82 = 3,376.38/x
  3. Step 3: Cross multiply
    8,308.08x = 12,461.82 × 3,376.38
  4. Step 4: Simplify right side
    8,308.08x = 42,075,839.81
  5. Step 5: Solve for x
    x = 42,075,839.81/8,308.08
  6. Step 6: Final answer
    x = 5,064.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.